SB2021012617 - Information disclosure in Cisco SD-WAN
Published: January 26, 2021
Security Bulletin ID
SB2021012617
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2021-1233)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to access sensitive information on the device.
The vulnerability exists due to insufficient input validation of requests that are sent to the iperf tool. A local administrator can send a specially crafted request to the iperf tool and obtain any file from the filesystem of the device.
Remediation
Install update from vendor's website.